diff --git a/index.html b/index.html
index 4830229..08a4577 100644
--- a/index.html
+++ b/index.html
@@ -3,7 +3,7 @@
 <head>
     <meta charset="utf-8">
     <title>clipboard.js &mdash; Copy to clipboard without Flash</title>
-    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=no">
     <meta name="description" content="Copy text to the clipboard shouldn't be hard. It shouldn't require dozens of steps to configure or hundreds of KBs to load. But most of all, it shouldn't depend on Flash or any bloated framework. That's why clipboard.js exists.">
 
     <meta property="og:title" content="clipboard.js">
